export default {
	timeago(dateTimeStamp) {
		let result = ''
		let minute = 1000 * 60; //把分，时，天，周，半个月，一个月用毫秒表示
		let hour = minute * 60;
		let day = hour * 24;
		let week = day * 7;
		let halfamonth = day * 15;
		let month = day * 30;
		let now = new Date().getTime(); //获取当前时间毫秒
		let diffValue = now - dateTimeStamp; //时间差
	
		if (diffValue < 0) {
			return;
		}
		let minC = diffValue / minute; //计算时间差的分，时，天，周，月
		let hourC = diffValue / hour;
		let dayC = diffValue / day;
		let weekC = diffValue / week;
		let monthC = diffValue / month;
		if (monthC >= 1 && monthC <= 3) {
			result = " " + parseInt(monthC) + "月前"
		} else if (weekC >= 1 && weekC <= 3) {
			result = " " + parseInt(weekC) + "周前"
		} else if (dayC >= 1 && dayC <= 6) {
			result = " " + parseInt(dayC) + "天前"
		} else if (hourC >= 1 && hourC <= 23) {
			result = " " + parseInt(hourC) + "小时前"
		} else if (minC >= 1 && minC <= 59) {
			result = " " + parseInt(minC) + "分钟前"
		} else if (diffValue >= 0 && diffValue <= minute) {
			result = "刚刚"
		} else {
			let datetime = new Date();
			datetime.setTime(dateTimeStamp);
			let Nyear = datetime.getFullYear();
			let Nmonth = datetime.getMonth() + 1 < 10 ? "0" + (datetime.getMonth() + 1) : datetime.getMonth() + 1;
			let Ndate = datetime.getDate() < 10 ? "0" + datetime.getDate() : datetime.getDate();
			let Nhour = datetime.getHours() < 10 ? "0" + datetime.getHours() : datetime.getHours();
			let Nminute = datetime.getMinutes() < 10 ? "0" + datetime.getMinutes() : datetime.getMinutes();
			let Nsecond = datetime.getSeconds() < 10 ? "0" + datetime.getSeconds() : datetime.getSeconds();
			result = Nyear + "-" + Nmonth + "-" + Ndate
		}
		return result;
	}
}
